Region to warm slightly, then cool again by weekend

A cloud reflection after rain in Balboa Park Photo by Chris Stone Times of San Diego A slight warming trend is expected through mid-week with gradual cooling for the second half of the week forecasters commented Sunday Temperatures are expected to be in the low to mid- s along the coast through Wednesday the upper s in the inland valleys mid- s in the mountains and low s in the deserts forecasters noted Those highs should drop into the low s along the coast heading into next weekend the low s inland upper s in the mountains and mid- s in the deserts An influx of tropical moisture will bring chances of thunderstorms for the middle to end of the week in the mountains and deserts For the middle to end of the week an influx of tropical moisture from what is now Tropical Storm Mario is expected to move northward the National Weather Operation announced in a forecast discussion That influx of moisture will likely disrupt low cloud and fog formation leaving coverage patchy to nonexistent For the middle to end of the week an influx of tropical moisture from what is now Tropical Storm Mario is expected to move northward That influx of moisture will likely disrupt low clouds and fog leaving coverage patchy to nonexistent By Wednesday there is a chance for showers and thunderstorms in the mountains and deserts with a smaller possibility of rain in the western part of the county City News Arrangement contributed to this summary